Canon EOS-1D X Mark III EOS-1DX Mark III Advanced User Guide - Page 764

Date/Time/Zone When you turn on the power for the first time or if the date/time/zone have been reset, follow these steps to set the time zone first. By setting the time zone first, you can simply adjust this setting as needed in the future and the date/time will be updated to match it. Since the captured images will be appended with the shooting date and time information, be sure to set your date/time. 1. Select [ : Date/Time/Zone]. 2. Set the time zone. Turn the < > dial to select [Time zone]. Press < >. 764